Microsoft - Office 365 Kms
Microsoft Office 365 KMS: Understanding Volume Activation and Enterprise Licensing
What people actually mean by “Office 365 KMS” (and why it’s bad)
Common ospp.vbs commands:
cd C:\Program Files\Microsoft Office\Office16 cscript ospp.vbs /unpkey:<last5ofMAK> cscript ospp.vbs /remhost microsoft office 365 kms